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backend/node_modules/fast-json-stringify/test/issue-793.test.js

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+'use strict'
+
+const { test } = require('node:test')
+
+const build = require('..')
+
+test('serialize string with newlines - issue #793', (t) => {
+  t.plan(2)
+
+  const schema = {
+    type: 'object',
+    properties: {
+      message: {
+        type: 'string'
+      }
+    }
+  }
+
+  const input = {
+    message: `This is a string
+with multiple
+newlines in it
+Foo`
+  }
+
+  const stringify = build(schema)
+  const output = stringify(input)
+
+  // The output should be valid JSON
+  t.assert.doesNotThrow(() => {
+    JSON.parse(output)
+  }, 'JSON output should be parseable')
+
+  // The parsed output should match the input
+  const parsed = JSON.parse(output)
+  t.assert.equal(parsed.message, input.message)
+})
+
+test('serialize string with various newline characters - issue #793', (t) => {
+  t.plan(4)
+
+  const schema = {
+    type: 'string'
+  }
+
+  const stringify = build(schema)
+
+  // Test \n (line feed)
+  const inputLF = 'line1\nline2'
+  const outputLF = stringify(inputLF)
+  t.assert.equal(JSON.parse(outputLF), inputLF)
+
+  // Test \r (carriage return)
+  const inputCR = 'line1\rline2'
+  const outputCR = stringify(inputCR)
+  t.assert.equal(JSON.parse(outputCR), inputCR)
+
+  // Test \r\n (CRLF)
+  const inputCRLF = 'line1\r\nline2'
+  const outputCRLF = stringify(inputCRLF)
+  t.assert.equal(JSON.parse(outputCRLF), inputCRLF)
+
+  // Test mixed newlines
+  const inputMixed = 'line1\nline2\rline3\r\nline4'
+  const outputMixed = stringify(inputMixed)
+  t.assert.equal(JSON.parse(outputMixed), inputMixed)
+})
+
+test('serialize object with newlines in multiple properties - issue #793', (t) => {
+  t.plan(2)
+
+  const schema = {
+    type: 'object',
+    properties: {
+      message: {
+        type: 'string'
+      },
+      description: {
+        type: 'string'
+      },
+      timestamp: {
+        type: 'string'
+      }
+    }
+  }
+
+  const input = {
+    message: `This is a string
+with multiple
+newlines in it
+Foo`,
+    description: 'This JSON response contains a field with newline characters',
+    timestamp: new Date().toISOString()
+  }
+
+  const stringify = build(schema)
+  const output = stringify(input)
+
+  // The output should be valid JSON
+  t.assert.doesNotThrow(() => {
+    JSON.parse(output)
+  }, 'JSON output should be parseable')
+
+  // The parsed output should match the input
+  const parsed = JSON.parse(output)
+  t.assert.deepEqual(parsed, input)
+})